CN114425684A - Production process of fin evaporator of full-automatic air-cooled refrigerator - Google Patents
Production process of fin evaporator of full-automatic air-cooled refrigerator Download PDFInfo
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- CN114425684A CN114425684A CN202210036549.0A CN202210036549A CN114425684A CN 114425684 A CN114425684 A CN 114425684A CN 202210036549 A CN202210036549 A CN 202210036549A CN 114425684 A CN114425684 A CN 114425684A
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- pipe
- positioning
- forming
- boss
- aluminum
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 24
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 78
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 78
- 238000001704 evaporation Methods 0.000 claims abstract description 52
- 239000002994 raw material Substances 0.000 claims abstract description 49
- 230000008020 evaporation Effects 0.000 claims abstract description 32
- 238000003466 welding Methods 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 30
- 238000003860 storage Methods 0.000 claims abstract description 29
- 210000000078 claw Anatomy 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 9
- 239000011265 semifinished product Substances 0.000 claims description 9
- 230000000670 limiting effect Effects 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000007306 turnover Effects 0.000 claims description 5
- 230000008569 process Effects 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 238000011049 filling Methods 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000004080 punching Methods 0.000 claims description 2
- 238000003780 insertion Methods 0.000 abstract description 7
- 230000037431 insertion Effects 0.000 abstract description 7
- 230000009467 reduction Effects 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 16
- 239000000463 material Substances 0.000 description 14
- 238000011068 loading method Methods 0.000 description 12
- 239000007789 gas Substances 0.000 description 6
- 238000000465 moulding Methods 0.000 description 4
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000008014 freezing Effects 0.000 description 2
- 238000007710 freezing Methods 0.000 description 2
- 238000005057 refrigeration Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 229910052786 argon Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D35/00—Combined processes according to or processes combined with methods covered by groups B21D1/00 - B21D31/00
- B21D35/002—Processes combined with methods covered by groups B21D1/00 - B21D31/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D53/00—Making other particular articles
- B21D53/02—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers
- B21D53/08—Making other particular articles heat exchangers or parts thereof, e.g. radiators, condensers fins, headers of both metal tubes and sheet metal
Abstract
The invention discloses a production process of a fin evaporator of a full-automatic air-cooled refrigerator, which relates to the field of evaporators, wherein an aluminum pipe raw material pipe is manufactured into an evaporation pipe raw pipe by using boss forming equipment, then the evaporation pipe is bent to form an evaporation pipe, the manner of inserting the evaporation pipe into a liquid storage device is consistent with that of the existing split type, the evaporation pipe has the advantages that the evaporation pipe adopts an integrated structure, the inner insertion pipe is not required to be extruded and fixed after being inserted, the evaporation pipe is positioned by a positioning boss, the pipe orifice of the liquid storage device is round and has no deformation, the automatic arc welding is facilitated, in addition, the positioning boss is attached to the end surface of the liquid storage device, the insertion depth of the inner insertion pipe is ensured, the welding gap is reduced, the product welding leakage rate is reduced, the welding point is integrally reduced, the leakage hidden trouble is reduced, the integrated structure is adopted for the positioning boss and the elbow forming, the consistency of the elbow direction is ensured, and the phenomenon that the liquid storage device is inserted without the elbow can be avoided, the reduction of the number of parts and the corresponding reduction of the processing cost.
Description
Technical Field
The invention relates to the field of evaporators, in particular to a production process of a fin evaporator of a full-automatic air-cooled refrigerator.
Background
The evaporator is an important part in four major components for refrigeration, and low-temperature condensed liquid passes through the evaporator to exchange heat with outside air, gasify and absorb heat, thereby achieving the refrigeration effect;
the air-cooled refrigerator adopts the forced circulation of cold air to control the indoor temperature, usually uses the finned evaporator to cool, the specific arrangement structure is to set the finned evaporator in the interlayer between the freezing chamber and the refrigerating chamber or the rear part of the box, at the same time, sets the fan to force the air to flow, and carries on the air quantity allocation according to the different needs of the freezing chamber and the refrigerating chamber;
as shown in fig. 1, an inserted tube in a liquid storage device of the existing fin-type evaporator adopts a three-section structure, the evaporation tube and an inserted aluminum liner tube are in a split structure, the middle of the evaporation tube is transited by a stainless steel liner tube, the direction of an elbow is possibly inconsistent with the drawing direction after welding, the inserted tube is inclined, an argon welding point sheet is welded and sealed by three parts, the welding difficulty is high, and the capacity is leaked;
therefore, the key of the invention is how to overcome the defects that the direction of an elbow is deviated and the welding difficulty is large because the insertion pipe in the liquid storage device of the existing finned evaporator adopts a three-section structure.
Disclosure of Invention
In order to overcome the technical problems, the invention aims to provide a production process of a fin evaporator of a full-automatic air-cooled refrigerator, which comprises the following steps: the aluminum pipe raw material pipe is made into an evaporating pipe raw pipe by using the boss forming equipment, then the evaporating pipe is formed by bending the pipe, the mode of inserting the evaporating pipe into the liquid storage device is consistent with the split type, the advantages are that the evaporating pipe adopts an integrated structure, namely, an aluminum liner pipe, a stainless steel liner pipe and the original evaporating pipe are combined, the inner inserting pipe is not required to be extruded and fixed after being inserted, but is positioned by the positioning boss, the pipe orifice of the liquid storage device is round and has no deformation, and is more beneficial to automatic arc welding, and the positioning boss is attached to the end surface of the liquid storage device, so that the inserting depth of the inner inserting pipe is ensured, the welding gap is reduced, the welding leakage rate is reduced, the welding point is integrally reduced, the hidden danger of leakage elbow is reduced, the consistency of the direction of the elbow is ensured, and the phenomenon that the liquid storage device is inserted without the elbow is avoided, the problem of insert the intubate in the current finned evaporator reservoir adopt the syllogic structure to lead to the elbow direction skew and the welding degree of difficulty is big is solved.
The purpose of the invention can be realized by the following technical scheme:
a production process of a fin evaporator of a full-automatic air-cooled refrigerator comprises the following steps:
the method comprises the following steps: the disc-shaped aluminum pipe is straightened by a straightening machine according to a set size and then is blanked to form an aluminum straight pipe, a rolled strip-shaped thin aluminum sheet is punched to form a fin, the middle of the fin is provided with a hole, so that the subsequent aluminum pipe can conveniently penetrate into the hole, and then the aluminum pipe is expanded by a die or is combined with the fin after being expanded by water;
step two: discharging an aluminum sheet into a die of equipment by using an automatic sheet discharging machine, then filling alcohol or water into the aluminum pipe, expanding the pipe to enable the aluminum pipe to expand and be combined with fins;
step three: the straight-strip-shaped aluminum pipe and fin blanks after pipe expansion are placed on a pipe bending machine, and the straight-strip-shaped aluminum pipe and fins are folded into an M-shaped fin evaporator semi-finished product after the pipe bending machine is started;
step four: welding the air return pipe with one end welded with the semi-finished product of the fin evaporator, manufacturing an aluminum pipe raw material pipe into an evaporation raw pipe, bending the evaporation raw pipe to form an evaporation pipe, and then welding the raw pipe part with the other end welded with the semi-finished product of the fin evaporator;
step five: welding one end of an air return pipe at one end of the liquid storage device through a stainless steel liner pipe, extending an evaporation pipe into an inner cavity of the liquid storage device from the other end of the liquid storage device to enable a positioning boss to be flush with the edge of the port of the liquid storage device, and then welding the positioning boss with the edge of the port of the liquid storage device to obtain the fin evaporator;
step six: immersing the finned evaporator into water, sleeving a closed joint at one end and a pneumatic tube at the other end, introducing 3MPa of gas, checking whether gas leaks or not, and drying the finned evaporator without gas leakage.
As a further scheme of the invention: the evaporating pipe original pipe comprises an expanded pipe part, an original pipe part and a positioning boss, the positioning boss is arranged at the joint of the expanded pipe part and the original pipe part, and the diameter of the expanded pipe part is larger than that of the original pipe part.
As a further scheme of the invention: the preparation process of the evaporation tube raw tube is as follows:
a1: placing the aluminum pipe raw material pipe between a limiting baffle of boss forming equipment and the inner wall of a boss forming box, starting a feeding cylinder, extending a movable rod of the feeding cylinder to push a feeding push plate to move forwards so as to push the aluminum pipe raw material pipe positioned at the lowermost part to move forwards, and pushing a turnover plate to rotate so as to push the aluminum pipe raw material pipe into a forming groove of a forming seat;
a2: starting the positioning cylinder, extending a movable rod of the positioning cylinder to drive the positioning seat to descend, moving the guide post on the boss forming box to ensure the stability of the positioning seat, continuing to descend the positioning seat until the positioning claw enters the positioning groove, and sealing one end of the forming seat by the positioning baffle;
a3: starting the forming cylinder, wherein a movable rod of the forming cylinder extends to push the tube expansion shaft to enter the aluminum tube raw material tube, and then the aluminum tube raw material tube is pushed to move in the forming groove until the aluminum tube raw material tube abuts against the positioning baffle, and the positioning seat continuously descends to clamp and fix the aluminum tube raw material tube through the positioning claw and the positioning groove;
a4: the movable rod of the forming cylinder continues to extend, the expansion pipe shaft is pushed to enter the aluminum pipe raw material pipe, the expansion pipe shaft gradually extends into the inner cavity of the aluminum pipe raw material pipe under the clamping action of the positioning baffle limiting device, the positioning claws and the positioning grooves, the inner diameter of the aluminum pipe raw material pipe gradually expands to form an evaporation pipe raw material pipe, the positioning claws and the positioning baffle ascend, and the forming cylinder pushes the evaporation pipe raw material pipe to the conveyor to be conveyed to the pipe bending process.
As a further scheme of the invention: the boss forming equipment comprises a conveyor and a boss forming box, wherein the boss forming box is installed at one end of the top of the mounting frame, the mounting plate is installed at the other end of the top of the mounting frame, the forming cylinder is installed at the top of the mounting plate, and the conveyor and the forming cylinder are respectively located at two ends of the boss forming box.
As a further scheme of the invention: the material loading cylinder is installed to one side bottom of boss shaping case, the location cylinder is installed at the top of boss shaping case, run through at the top of boss shaping case and install a plurality of guide post, a plurality of the guide post is located the both sides of location cylinder respectively.
As a further scheme of the invention: the positioning seat is arranged in an inner cavity of the boss forming box, the top of the positioning seat is connected to a movable rod of the positioning cylinder, the guide columns are all installed at the top of the positioning seat, the forming seat is installed at the bottom of the inner cavity of the boss forming box in an embedded mode, and the positioning seat and the forming seat are matched components.
As a further scheme of the invention: limiting baffle is installed to inner chamber top one side of boss shaping case, limiting baffle's both sides bottom is all rotated and is installed the connecting plate, two the both sides at the returning face plate are installed respectively to the connecting plate, a plurality of aluminum pipe raw material pipe has been placed between limiting baffle and one side inner wall of boss shaping case, the standing groove has been seted up to one side inner wall bottom of boss shaping case, be provided with the material loading push pedal in the standing groove, the material loading push pedal is installed on the movable rod of material loading cylinder, the material loading push pedal is just to the returning face plate.
As a further scheme of the invention: the top of shaping seat has been seted up into the shaping groove, a plurality of positioning pawl is installed to the bottom of positioning seat, the shaping groove all installs the rubber slipmat with the inboard of positioning pawl, a plurality of constant head tank has been seted up to the shaping inslot equidistance of shaping seat, constant head tank and positioning pawl are the cooperation component.
As a further scheme of the invention: the positioning device is characterized in that a positioning baffle is installed at one end of the positioning seat, the conveyor is located at one end of the forming seat and is lower than the bottom of the forming groove in height, an expansion pipe shaft is arranged at one end of the forming seat, a threaded shaft is arranged at one end of the expansion pipe shaft and is in threaded connection with a threaded sleeve, and the threaded sleeve is installed on an output shaft of the forming cylinder.
The invention has the beneficial effects that:
the invention relates to a production process of a fin evaporator of a full-automatic air-cooled refrigerator, which is characterized in that an aluminum tube raw tube is manufactured into an evaporating tube raw tube by using a boss forming device, then the evaporating tube is bent to form the evaporating tube, as shown in figure 2-3, the mode that the evaporating tube is inserted into a liquid storage device is consistent with the mode of the existing split type, and the evaporating tube adopts an integrated structure, namely an aluminum liner tube, a stainless steel liner tube and the original evaporating tube are combined, the inner liner tube is not required to be extruded and fixed after the evaporating tube is inserted, but the evaporating tube is positioned by a positioning boss, the orifice of the liquid storage device is round and has no deformation, the automatic arc welding is facilitated, and the positioning boss is attached to the end surface of the liquid storage device, thereby ensuring the insertion depth of the inner liner tube and reducing the welding gap, helping to reduce the welding leakage rate of products, integrally reducing welding points and reducing the hidden danger of leakage, because the positioning boss and the elbow forming adopt the integrated structure, the consistency of the direction of the elbow is ensured, the phenomenon that the liquid storage device is inserted without the elbow can be avoided, and the processing cost is correspondingly reduced due to the reduction of accessories; according to the production process of the fin evaporator of the full-automatic air-cooled refrigerator, the evaporation tubes are of an integrated structure, so that the production cost is reduced, the welding difficulty is reduced, the consistent direction of the elbows is ensured, the leakage probability is reduced, and the defective rate is reduced;
this boss former has realized the automatic feeding of aluminum pipe raw material pipe through the material loading cylinder, height through location cylinder control positioning seat, thereby make positioning pawl cooperation constant head tank carry out the centre gripping with aluminum pipe raw material pipe, restrict the removal of aluminum pipe raw material pipe through location baffle, thereby fix aluminum pipe raw material pipe effectively, later expand the pipe with aluminum pipe raw material pipe through bloated hollow shaft, form the location boss, thereby effectively control the depth of insertion of intubate has reduced the welding clearance simultaneously again, finally automatic pushing away to the conveyer, bend at last and form the evaporating pipe, this boss former's bloated hollow shaft passes through threaded connection, the quick replacement of being convenient for, thereby change the diameter of bloated hollow shaft, can be applicable to the manufacturing of different evaporating pipes.
Drawings
The invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic view of a tube inserted into a three-stage accumulator according to the present invention;
FIG. 2 is a schematic view of the structure of an insert tube in a reservoir of the present invention;
FIG. 3 is a schematic view showing the structure of a primary tube of an evaporator tube according to the present invention;
FIG. 4 is a schematic view of the boss forming apparatus according to the present invention;
FIG. 5 is a schematic view showing the internal structure of the boss forming box according to the present invention;
FIG. 6 is an enlarged schematic view at A of FIG. 5 in accordance with the present invention;
FIG. 7 is a top view of a forming table according to the present invention;
FIG. 8 is a side view of the alignment socket of the present invention;
FIG. 9 is a view of the connection of the forming cylinder, threaded sleeve and tube expander shaft of the present invention.
In the figure: 101. a conveyor; 102. forming a boss forming box; 103. a mounting frame; 104. mounting a plate; 105. forming a cylinder; 106. a feeding cylinder; 107. positioning the cylinder; 108. a guide post; 109. aluminum tube raw material tube; 110. positioning seats; 111. forming a base; 112. a placement groove; 113. a feeding push plate; 114. a limit baffle; 115. a connecting plate; 116. a turnover plate; 117. a rubber non-slip mat; 118. positioning a groove; 119. a positioning claw; 120. positioning a baffle plate; 121. a threaded sleeve; 122. expanding the tube shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.
Example 1:
referring to fig. 1-9, the present embodiment is a manufacturing process of a fin evaporator of a full-automatic air-cooled refrigerator, including the following steps:
the method comprises the following steps: straightening a disc-shaped aluminum pipe by a straightening machine according to a set size, blanking, changing the blanking into an aluminum straight pipe, and punching a rolled strip-shaped thin aluminum sheet into fins;
step two: discharging an aluminum sheet into a die of equipment by using an automatic sheet discharging machine, then filling alcohol or water into the aluminum pipe, expanding the pipe to enable the aluminum pipe to expand and be combined with fins;
step three: the straight-strip-shaped aluminum pipe and fin blanks after pipe expansion are placed on a pipe bending machine, and the straight-strip-shaped aluminum pipe and fins are folded into an M-shaped fin evaporator semi-finished product after the pipe bending machine is started;
step four: welding the air return pipe with one end welded with the semi-finished product of the fin evaporator, manufacturing the aluminum pipe raw material pipe 109 into an evaporation raw pipe, bending the evaporation raw pipe to form an evaporation pipe, and then welding the raw pipe part with the other end welded with the semi-finished product of the fin evaporator;
step five: welding one end of an air return pipe at one end of the liquid storage device through a stainless steel liner pipe, extending an evaporation pipe into an inner cavity of the liquid storage device from the other end of the liquid storage device to enable a positioning boss to be flush with the edge of the port of the liquid storage device, and then welding the positioning boss with the edge of the port of the liquid storage device to obtain the fin evaporator;
step six: immersing the finned evaporator into water, sleeving a closed joint at one end and a pneumatic tube at the other end, introducing 3MPa of gas, checking whether gas leaks or not, and drying the finned evaporator without gas leakage.
Example 2:
referring to fig. 4-9, the present embodiment is a boss forming apparatus, which includes a conveyor 101 and a boss forming box 102, wherein the boss forming box 102 is installed at one end of the top of a mounting frame 103, an installation plate 104 is installed at the other end of the top of the mounting frame 103, a forming cylinder 105 is installed at the top of the installation plate 104, and the conveyor 101 and the forming cylinder 105 are respectively located at two ends of the boss forming box 102.
The material loading cylinder 106 is installed at the bottom of one side of the boss forming box 102, the positioning cylinder 107 is installed at the top of the boss forming box 102, the plurality of guide posts 108 are installed at the top of the boss forming box 102 in a penetrating mode, and the plurality of guide posts 108 are located on two sides of the positioning cylinder 107 respectively.
A positioning seat 110 is arranged in an inner cavity of the boss molding box 102, the top of the positioning seat 110 is connected to a movable rod of the positioning cylinder 107, a plurality of guide posts 108 are all installed at the top of the positioning seat 110, a molding seat 111 is installed at the bottom of the inner cavity of the boss molding box 102 in an embedded manner, and the positioning seat 110 and the molding seat 111 are matched components.
The shaping groove has been seted up at the top of shaping seat 111, and a plurality of positioning pawl 119 is installed to the bottom of positioning seat 110, and rubber slipmat 117 is all installed with positioning pawl 119's inboard in the shaping groove, and a plurality of constant head tank 118 has been seted up to the shaping inslot equidistance of shaping seat 111, and constant head tank 118 and positioning pawl 119 are the cooperation component.
One end of the positioning seat 110 is provided with a positioning baffle 120, the conveyor 101 is positioned at one end of the forming seat 111 and is lower than the bottom height of the forming groove, one end of the forming seat 111 is provided with an expanding tube shaft 122, one end of the expanding tube shaft 122 is provided with a threaded shaft, the threaded shaft is in threaded connection with a threaded sleeve 121, and the threaded sleeve 121 is installed on an output shaft of the forming cylinder 105.
The evaporating pipe original pipe comprises an expanded pipe part, an original pipe part and a positioning boss, the positioning boss is arranged at the joint of the expanded pipe part and the original pipe part, and the diameter of the expanded pipe part is larger than that of the original pipe part.
This boss former has realized the automatic feeding of aluminum pipe raw material pipe 109 through material loading cylinder 106, the height of positioning seat 110 is controlled through location cylinder 107, thereby make positioning pawl 119 cooperate the constant head tank 118 to carry out the centre gripping with aluminum pipe raw material pipe 109, restrict the aluminum pipe raw material pipe 109 through location baffle 120 and remove, thereby fix aluminum pipe raw material pipe 109 effectively, later expand the pipe with aluminum pipe raw material pipe 109 through bloated hollow shaft 122, form the location boss, thereby effectively control the depth of insertion tube and reduced the welding clearance again simultaneously, finally automatic pushing to on the conveyer 101, bend at last and form the evaporating pipe, this boss former's bloated hollow shaft 122 passes through threaded connection, be convenient for quick replacement, thereby change the diameter of bloated hollow shaft 122, can be applicable to the manufacturing of different evaporating pipes.
Referring to fig. 4-9, the working process of the boss forming apparatus in this embodiment is as follows:
the method comprises the following steps: placing the aluminum pipe raw material pipe 109 between the limit baffle 114 and the inner wall of the boss forming box 102, starting the feeding cylinder 106, and enabling a movable rod of the feeding cylinder 106 to extend to push a feeding push plate 113 to move forwards so as to push the aluminum pipe raw material pipe 109 positioned at the lowermost part to move forwards, and pushing a turnover plate 116 to rotate so as to push the aluminum pipe raw material pipe 109 into a forming groove of a forming seat 111;
step two: starting the positioning cylinder 107, extending a movable rod of the positioning cylinder 107 to drive the positioning seat 110 to descend, moving the guide post 108 on the boss forming box 102 to ensure the stability of the positioning seat 110, continuing to descend the positioning seat 110 until the positioning claw 119 enters the positioning groove 118, and sealing one end of the forming seat 111 by the positioning baffle 120;
step three: starting the forming cylinder 105, wherein a movable rod of the forming cylinder 105 extends to push an expansion pipe shaft 122 to enter the aluminum pipe raw material pipe 109, and then pushes the aluminum pipe raw material pipe 109 to move in the forming groove until the aluminum pipe raw material pipe 109 abuts against the positioning baffle 120, and the positioning seat 110 continuously descends to clamp and fix the aluminum pipe raw material pipe 109 through the positioning claw 119 and the positioning groove 118;
step four: the movable rod of the forming cylinder 105 continues to extend to push the tube expansion shaft 122 to enter the aluminum tube raw material tube 109, the tube expansion shaft 122 gradually extends into the inner cavity of the aluminum tube raw material tube 109 under the limiting action of the positioning baffle 120 and the clamping action of the positioning claw 119 and the positioning groove 118, the inner diameter of the aluminum tube raw material tube 109 is gradually expanded to form an evaporation tube raw tube, the positioning claw 119 and the positioning baffle 120 ascend, and the forming cylinder 105 pushes the evaporation tube raw tube onto the conveyor 101 to convey the evaporation tube raw tube to the tube bending process.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing is illustrative and explanatory only and is not intended to be exhaustive or to limit the invention to the precise embodiments described, and various modifications, additions, and substitutions may be made by those skilled in the art without departing from the scope of the invention or exceeding the scope of the claims.
Claims (9)
1. The production process of the fin evaporator of the full-automatic air-cooled refrigerator is characterized by comprising the following steps of:
the method comprises the following steps: straightening a disc-shaped aluminum pipe by a straightening machine according to a set size, blanking, changing the blanking into an aluminum straight pipe, and punching a rolled strip-shaped thin aluminum sheet into fins;
step two: discharging an aluminum sheet into a die of equipment by using an automatic sheet discharging machine, then filling alcohol or water into the aluminum pipe, expanding the pipe to enable the aluminum pipe to expand and be combined with fins;
step three: the straight-strip-shaped aluminum pipe and fin blanks after pipe expansion are placed on a pipe bending machine, and the straight-strip-shaped aluminum pipe and fins are folded into an M-shaped fin evaporator semi-finished product after the pipe bending machine is started;
step four: welding the air return pipe with one end welded with the semi-finished product of the fin evaporator, manufacturing an aluminum pipe raw material pipe (109) into an evaporation raw pipe, bending the evaporation raw pipe to form an evaporation pipe, and then welding the raw pipe part with the other end welded with the semi-finished product of the fin evaporator;
step five: welding one end of an air return pipe at one end of the liquid storage device through a stainless steel liner pipe, extending an evaporation pipe into an inner cavity of the liquid storage device from the other end of the liquid storage device to enable a positioning boss to be flush with the edge of the port of the liquid storage device, and then welding the positioning boss with the edge of the port of the liquid storage device to obtain the fin evaporator;
step six: immersing the finned evaporator into water, sleeving a closed joint at one end and a pneumatic tube at the other end, introducing 3MPa of gas, checking whether gas leaks or not, and drying the finned evaporator without gas leakage.
2. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 1, wherein the evaporating tube primary tube comprises an expanded tube part, a primary tube part and a positioning boss, the positioning boss is arranged at the joint of the expanded tube part and the primary tube part, and the diameter of the expanded tube part is larger than that of the primary tube part.
3. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 1, wherein the preparation process of the evaporation tube raw tube is as follows:
a1: placing the aluminum pipe raw material pipe (109) between a limiting baffle (114) of boss forming equipment and the inner wall of a boss forming box (102), and pushing a feeding push plate (113) to move forwards so as to push the aluminum pipe raw material pipe (109) positioned at the lowest part to move forwards to a forming groove of a forming seat (111);
a2: the positioning seat (110) descends to enable the positioning claw (119) to enter the positioning groove (118), and the positioning baffle (120) seals one end of the forming seat (111);
a3: the pipe expanding shaft (122) enters the aluminum pipe raw material pipe (109), the aluminum pipe raw material pipe (109) is pushed to move in the forming groove until the aluminum pipe raw material pipe (109) abuts against the positioning baffle (120), and the positioning seat (110) continuously descends to clamp and fix the aluminum pipe raw material pipe (109) through the positioning claw (119) and the positioning groove (118);
a4: the method comprises the steps that an expansion pipe shaft (122) is pushed to continue to enter an aluminum pipe raw material pipe (109), the expansion pipe shaft (122) gradually extends into an inner cavity of the aluminum pipe raw material pipe (109) under the limiting action of a positioning baffle (120), and the clamping action of a positioning claw (119) and a positioning groove (118) expands the inner diameter of the aluminum pipe raw material pipe (109) gradually to form an evaporation pipe raw pipe, the positioning claw (119) and the positioning baffle (120) ascend, and a forming cylinder (105) pushes the evaporation pipe raw pipe to a conveyor (101) and conveys the evaporation pipe raw pipe to a pipe bending process.
4. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, wherein the boss forming equipment comprises a conveyor (101) and a boss forming box (102), the boss forming box (102) is installed at one end of the top of the installation frame (103), the installation plate (104) is installed at the other end of the top of the installation frame (103), the forming cylinder (105) is installed at the top of the installation plate (104), and the conveyor (101) and the forming cylinder (105) are respectively located at two ends of the boss forming box (102).
5. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, wherein a feeding cylinder (106) is installed at the bottom of one side of the boss forming box (102), a positioning cylinder (107) is installed at the top of the boss forming box (102), a plurality of guide posts (108) are installed at the top of the boss forming box (102) in a penetrating mode, and the guide posts (108) are located on two sides of the positioning cylinder (107) respectively.
6. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, wherein a positioning seat (110) is arranged in an inner cavity of the boss forming box (102), the top of the positioning seat (110) is connected to a movable rod of a positioning cylinder (107), a plurality of guide columns (108) are all installed at the top of the positioning seat (110), a forming seat (111) is embedded and installed at the bottom of the inner cavity of the boss forming box (102), and the positioning seat (110) and the forming seat (111) are matched components.
7. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, wherein a limit baffle (114) is installed on one side of the top of an inner cavity of the boss forming box (102), connecting plates (115) are rotatably installed at the bottoms of the two sides of the limit baffle (114), the two connecting plates (115) are respectively installed on the two sides of the turnover plate (116), a plurality of aluminum pipe raw material pipes (109) are placed between the limit baffle (114) and the inner wall of one side of the boss forming box (102), a placing groove (112) is formed in the bottom of the inner wall of one side of the boss forming box (102), a feeding push plate (113) is arranged in the placing groove (112), the feeding push plate (113) is installed on a movable rod of a feeding cylinder (106), and the feeding push plate (113) is opposite to the turnover plate (116).
8. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, wherein a forming groove is formed at the top of the forming seat (111), a plurality of positioning claws (119) are installed at the bottom of the positioning seat (110), rubber anti-slip pads (117) are installed at the inner sides of the forming groove and the positioning claws (119), a plurality of positioning grooves (118) are formed in the forming groove of the forming seat (111) at equal intervals, and the positioning grooves (118) and the positioning claws (119) are matched components.
9. The production process of the fin evaporator of the full-automatic air-cooled refrigerator according to claim 3, characterized in that one end of the positioning seat (110) is provided with a positioning baffle (120), the conveyor (101) is positioned at one end of the forming seat (111) and is lower than the bottom height of the forming groove, one end of the forming seat (111) is provided with an expansion pipe shaft (122), one end of the expansion pipe shaft (122) is provided with a threaded shaft, the threaded shaft is screwed into a threaded sleeve (121), and the threaded sleeve (121) is installed on an output shaft of the forming cylinder (105).
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| CN114425684B (en) | 2024-01-12 |
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